N-ACETYL-L-CYSTEINE, 25 g
STD
SLASNALC25-
Valid Article
Account code:
60200
HS Code:
382290
Last Updated on:
29/06/2025, 23:14:25
Former
Code(s):
-X
OC subscriptions: included in supply or field order tools (e.g. UniField)
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SC subscriptions: included in supply or field tools
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OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)
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N-ACETYL-L-CYSTEINE
Reserved for TB culture programmes.
Definition
Mucolytic amino acid used to digest sputum during the decontamination procedure.
Synonym
NALC, alpha-acetamido-betamercaptopropionic-acid, LNAC, NAC
Specifications
- CAS N°: 616-91-1
- Formula: C5H9NO3S
- Purity: 99%
- Crystals
- Quality: pure
- Soluble in water by heating and in ethanol
Packaging & Labelling
- 25 g in plastic bottle
- Transport not regulated
Instructions for use
Add to NaOH sodium citrate solution the required amount of N-acetyl-L-cysteine just before use, and discard the solution within 24 h.
Storage
- Store between 5°C and 30°C in a closed container
- Once N-acetyl-L-cysteine is added to NaOH sodium citrate solution, the mixture can be stored for 24 hours maximum
- Shelf life: 3 years
MSF requirements
N-acetyl-L cysteine helps to homogenise sputum samples, increasing mycobacteria detection. Used to prepare NALC-NaOH citrate solution for sample decontamination.
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